Weather & Climate in Atotonilco, Mexico

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Atotonilco has a warm climate with an average annual temperature of 76°F (24°C). Winters average 63°F in January while summers reach 88°F in July. The area gets 316 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 11.3 inches (drier than the 38-inch national average). The city sits at an elevation of 33 feet.

Temperature

63°F Jan (17°C) 88°F Jul (31°C)

Annual Average	75.6°F
	40% above US avg
January Average	63°F (17°C)
July Average	88°F (31°C)
Sunny Days	316 days/yr

Geography

Elevation	33 ft (10 m)
Area	501.3 sq mi (1,298.3 km²)
Population Density	1/sq mi
Coordinates	27.3066°N, 110.1738°W
Timezone	America/Hermosillo

Precipitation & Snow

Annual Rainfall 11.3"

70% below US avg

Snowfall 0.0"

Wettest Month (Aug) 2.80"

Driest Month (Apr) 0.04"

Air Quality

Earthquake History

156 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.

Aug 28, 1995	95 km SW of Etchoropo, Mexico	M6.6	136 km	12 km
Oct 19, 2013	98 km SW of Etchoropo, Mexico	M6.6	136 km	9 km
Mar 12, 2003	87 km SW of Paredón Colorado, Mexico	M6.4	93 km	10 km
Jan 19, 2018	79 km NNE of Loreto, Mexico	M6.3	113 km	10 km
Mar 13, 2007	85 km ENE of Loreto, Mexico	M6.0	122 km	26 km
Feb 25, 2007	94 km E of Loreto, Mexico	M5.9	131 km	10 km
Jul 30, 2006	76 km E of Mulegé, Mexico	M5.9	114 km	10 km
Mar 24, 2000	51 km SSW of San Carlos, Mexico	M5.6	115 km	10 km
Aug 10, 2014	65 km WSW of San Carlos, Mexico	M5.5	150 km	10 km
Jul 31, 2021	60 km SW of San Carlos, Mexico	M5.5	134 km	10 km
Oct 1, 1996	70 km NE of Loreto, Mexico	M5.5	115 km	10 km
Jan 18, 2001	99 km SW of Etchoropo, Mexico	M5.3	138 km	10 km
Apr 26, 2011	73 km SW of San Carlos, Mexico	M5.3	135 km	11 km
Jan 21, 2022	76 km SSW of Bahía de Lobos, Mexico	M5.3	91 km	10 km
Jul 3, 2024	77 km NNE of Loreto, Mexico	M5.3	114 km	10 km
Oct 3, 1992	58 km SSW of San Carlos, Mexico	M5.2	120 km	10 km
Apr 18, 2024	84 km ENE of Loreto, Mexico	M5.2	121 km	10 km
May 28, 2006	88 km NNE of Loreto, Mexico	M5.2	108 km	10 km
Sep 3, 1996	84 km ENE of Loreto, Mexico	M5.2	129 km	10 km
Feb 25, 2007	88 km E of Loreto, Mexico	M5.2	148 km	10 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

12 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.

Year	Name	Category	Max Wind	Closest
2016	Newton	Category 1	81 mph	199 km
2014	Odile	Category 1	92 mph	216 km
2009	Jimena	Category 2	104 mph	231 km
2008	Norbert	Category 2	92 mph	116 km
2007	Henriette	Category 1	75 mph	94 km
2003	Marty	Category 1	81 mph	166 km
1998	Isis	Category 1	75 mph	272 km
1996	Fausto	Category 1	75 mph	188 km
1995	Ismael	Category 1	81 mph	218 km
1986	Newton	Category 1	86 mph	77 km
1986	Paine	Category 1	92 mph	291 km
1982	Paul	Category 2	98 mph	213 km

Source: NOAA IBTrACS (Category 1+, 1980–2026).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	63°F (17°C)	0.8 in	Coldest
February	65°F (18°C)	0.5 in
March	68°F (20°C)	0.2 in
April	73°F (23°C)	0.0 in	Driest
May	78°F (25°C)	0.0 in
June	85°F (29°C)	0.1 in
July	88°F (31°C)	2.1 in	Warmest
August	88°F (31°C)	2.8 in	Wettest
September	86°F (30°C)	2.8 in
October	80°F (27°C)	0.9 in
November	71°F (22°C)	0.4 in
December	64°F (18°C)	0.6 in

Atotonilco has a seasonal temperature swing of 25°F / from 63°F in January to 88°F in July. Total annual precipitation is 11.3 inches, with August being the wettest month (2.8") and April the driest (0.0").

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